- Microfiltration (MF) Tubular Membrane System



The bioFLOW MF System is a pressure driven backpulsed microfiltration process, which physically separates solutions and dispersions into concentrates and permeates. The wastewater is separated as it circulates across the tubular membrane at a high velocity. Permeate is forced through the pores of the membrane, while suspended particulate remains in the return stream.

Cross‐flow filtration creates high turbulence on the membrane surface and prevents the accumulation of particles on the inner surfaces of the membrane. The MF permeate is back‐pulsed on a timed cycle basis for a reverse flow pattern through the membrane pore. This method is able to dislodge particles, sustain a high flux and prolong membrane life.

  • Back‐pulsing microfiltration process
  • Optimized for high‐strength industrial wastewater
  • Excellent anti‐fouling behavior
  • High chemical resistance and excellent pressure stability
  • Durable, with long life expectancy
  • Aggressive CIP capabilities
  • Fully automated and scalable to all size facilities
  • High flux rates and low membrane plugging or clogging risk
  • Custom pilot units determine specific flux capabilities
  • Feed‐and‐bleed or direct recirculation units available

  • Membrane Pore Size: 0.1 or 0.5 microns
  • Nominal flux: 100 - 1,000 gfd
  • Trans Membrane Pressure (TMP): 29 - 116 psig
  • Scouring Velocity: 9.8 - 16.4 ft/s
  • Membrane Materials of Construction: PVDF membrane on either PE or PVDF substrate

  • Filtration and Removal of precipitated heavy metals
  • Filtration and Removal of silica
  • Filtration and Removal of suspended solids

  • Back-pulsing capabilities
  • Excellent chemical resistance
  • Capable of aggressive membrane cleaning
  • Positive barrier retention of TSS
  • Eliminate operator exposure to wastewater
  • Fully automated

  • Metal  Working
  • Automotive & Aerospace
  • Chemicals and Petrochemicals
  • Oil & Gas
  • Produced Water

  • Transmembrane Pressure Range: 30-90 psig
  • Net Flux: 100 – 1000 GFD
  • Crossflow Rate: ~12 ft/sec.
  • Pore size of 0.1 microns
  • 1” or ½” dia. PVDF Membranes
  • Aggressive cleaning capabilities
    • ~17% Bleach
    • ~15% Caustic
    • ~15% Acid
    • ~5% Peroxide

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